Is it safe to give people my WiFi password?

What are the risks involved in giving out a WiFi password, even to a relative?
Few, says Rick Maybury

My granddaughter and my niece have iPod/Pad gadgets. Recently, on separate occasions, they have asked me if they could use my wireless router to access the web. At first I agreed, but they both said they would have to put my password into their devices. I am afraid to say that on the assumption that the password would be stored, I refused. If for example one of their gadgets were stolen then the thief would have access to my provider and all that goes with it. Needless to say both youngsters were upset at my refusal to divulge my password. Was I correct?Henry L, by email

Of course you should always be cautious about divulging any password or PIN but in this case the risk to you is comparatively small as the wireless password only allows access to your Internet connection. If one of their devices were to be lost or stolen the thief would need to know where you live as it could only be used within range of the router, which is typically less than 100 metres. Even if they had your address they still wouldn’t be able to hack into your computer, unless you have enabled network access and they know your PC’s logon password. In any event stolen devices are usually quickly reset or wiped, removing all traces of the previous owner so they can be resold. However, if you want to take a belt and braces approach why not just ask them to delete your connection details, which contains the password, before they leave? You could also tell them to inform you immediately if either of them is robbed, so you can change your password.